1. (a) Mean Zurich Claudication Questionnaire (ZCQ) symptom severity scores.
(a) Mean Zurich Claudication Questionnaire (ZCQ) symptom severity scores. (b) Mean ZCQ physical function scores. (c) Mean ZCQ patient satisfaction scores. *Significant difference between interlaminar stabilization (ILS) and fusion groups for Physical Function: 2 sample pooled t test P value at week 6 = .039, at month 24 = ‡Significant difference between ILS and fusion groups for Patient Satisfaction: 2 sample pooled t test P value at week 6 = .029, at month 24 = †Significant difference between ILS baseline and follow-up: within-group paired t test. ◊Significant difference between fusion baseline and follow-up: within-group paired t test.
RACHEL B. SIMON et al. Int J Spine Surg 2018;12:
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